|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
脂肪族聚酰胺热膨胀行为的研究
DOI: 10.3724/SP.J.1105.2013.12241, PP. 255-262
Keywords: 聚酰胺,热膨胀,氢键
Abstract:
通过热膨胀测试,示差扫描量热分析(DSC)、广角X射线衍射(WAXD)与傅里叶变换红外光谱(FTIR)等方法研究了4种脂肪族聚酰胺玻璃化转变温度(Tg)、结晶行为以及氢键强度对热膨胀行为的影响,探索了影响脂肪族聚酰胺热膨胀的本质.DSC和X射线衍射结果表明,聚酰胺中结晶部分的热膨胀系数要低于无定形部分,但聚酰胺的熔融温度和结晶度对热膨胀的影响不够明确.相比较其它脂肪族聚酰胺,聚酰胺56(PA56)具有较高的玻璃化转变温度和较低的亚甲基/酰胺基(CH2/CONH)比例,表现出较低的热膨胀系数.研究发现,在相同条件下制备的脂肪族聚酰胺体系中,CH2/CONH比例或Tg与热膨胀系数具有明显的线性关系,随着CH2/CONH比例的降低或Tg的升高,热膨胀系数显著减小.FTIR的结果表明,聚酰胺分子链间的氢键密度和氢键强度随温度升高衰减的程度是影响其热膨胀行为的关键因素.
| [1] | 3 Choy C,Chen F,Young K.J Polym Sci Part B:Polym Phys,1981,19(2):335~352
|
| [2] | 6 Fahmy A,Ragai A.J Appl Phys,1970,41(13):5112~5115
|
| [3] | 7 Halpin J.J Compos Mater,1969,3(4):732~734
|
| [4] | 9 Zhou Ting(周霆),Wu Guozhang(吴国章).Acta Polymerica Sinica(高分子学报),2008,(9):893~898
|
| [5] | 10 Wu G,Xu H,Zhou T.Polymer,2010,51(15):3560~3567
|
| [6] | 11 Li Z,Xu S,Liu W,He S,Zhu C.J Appl Polym Sci,2009,113(5):2805~2812
|
| [7] | 12 Jin Guozhen(金国珍).Engineering Plastics(工程塑料).Beijing(北京):Beijing Chemical Industry Press(北京化学工业出版社),2001. 17~86
|
| [8] | 14 Morales L,Soto D,Franco L,Puiggalí J.Polymer,2010,51(24):5788~5798
|
| [9] | 1 Boyer R,Spencer R.J Appl Phys,1945,16(10):594~6071
|
| [10] | 2 Choy C,Chen F,Ong E.Polymer,1979,20(10):1191~1198
|
| [11] | 4 Choy C,Leung W,Ong E.Polymer,1985,26(6):884~888
|
| [12] | 5 Mason P.Polymer,1964,5:625~635
|
| [13] | 8 Wu G,Nishida K,Takagi K,Sano H,Yui H.Polymer,2004,45(9):3085~3090
|
| [14] | 13 Zeng H,Gao C,Wang Y,Watts P,Kong H,Cui X,Yan D.Polymer,2006,47(1):113~122
|
| [15] | 15 Villase or P,Franco L,Subirana J,Puiggali J.J Polym Sci Part B:Polym Phys,1999,37(17):2383~2395
|
| [16] | 16 Schroeder L,Cooper S.J Appl Phys,1976,47(10):4310~4317
|
| [17] | 17 Yin Jinghua(殷敬华),Mo Zhishen(莫志深).Modern Polymer Physics(现代高分子物理学).Beijing(北京):Scientific Press(科学出版社),2001.442~443
|
| [18] | 18 Warfield R,Kayser E G,Hartmann B.Die Makromolekulare Chemie,1983,184(9):1927~1935
|
| [19] | 19 Itoh T.Jap.J Appl Phys,1976,15(12):2295~2306
|
| [20] | 20 Ramesh C.Macromolecules,1999,32(11):3721~3726
|
| [21] | 21 Skrovanek D J,Painter P C,Coleman M M.Macromolecules,1986,19(3):699~705
|
| [22] | 22 Li L,Yang G.Polym Int,2009,58(5):503~510
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
